KR20000045680A - Portable information device with turning display panel - Google Patents

Abstract

PURPOSE: A portable information device with turning display panel is disclosed to provide a turning display panel that enables the panel to be facing in the opposite direction of the main unit. CONSTITUTION: A portable information device with turning display panel enables separating movement of the display unit from its main unit. In a state where the display panel is opened from the main unit, display unit can be turned in the direction of arrow B and it enables the screen(27) to be placed in the right or in the left side of the main unit. The display unit can be turned to an 180 degree angle and the signal cable displayed in diagram 6 prevents any damages to the wires. Signal connection device in the form of brush will enable a 360 degree turning of the display unit.

Description

Portable information equipment with returnable display board

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable information device such as a hand-held personal computer (HPC), and more particularly to a portable information device having a display panel which can be turned so that only the screen is exposed while being superimposed on a main body.

As a representative information device at present, a personal computer developed for personal use is well known. Personal computers are widely used in the hobby of computer communication, games, and multimedia, including the Internet, as well as reinforcing personal office processing such as document writing and data management. Personal computers are laptops, notebooks, and palmtops, especially desktops that are fixed in homes and offices, and recently portables that can be used whenever and wherever you need them, even when you're on the go. From palmtops to hand held persnal computers (HPCs), the size is getting smaller and the performance is getting better day by day.

Such portable information devices are generally equipped with a keyboard that collects a large number of input devices, which are equipped with a central processing unit for processing input content, a storage device, and the like, and programs or inputs to be executed. It consists of a display panel on which a flat panel display device such as a liquid crystal panel, which is an output device, is installed. The main body and the display panel are typically folded or unfolded so as to be folded in a mutual plane direction. It is connected. Therefore, the screen of the display panel is exposed only when the display panel is extended with respect to the main body, and the keyboard is opened to be ready for use.

That is, in the conventional typical portable information device, as shown in Figs. 1 and 2, the main body 1 and the display panel 2 are connected by a hinge 3 formed at one edge of each of them. As shown in FIG. 1, the display panel 2 may be unfolded on the main body 1 within a predetermined angle, and the display panel 2 may be stacked on the inner surface of the main body 1 as shown in FIG. It is.

Such a conventional portable information device has no problem in operating a keyboard while viewing a screen in the state as shown in FIG. 1, but only a screen is displayed without a keyboard or a touchscreen is installed on the screen. When the tablet (tablet) operation is possible without the keyboard operation to use only the screen, the main body (1) unnecessarily occupies a wide space, so it is inconvenient to hold it with one hand and operate with the other hand. In particular, the keyboard key exposed to the main body 1 is often touched during tablet operation, causing malfunction.

On the other hand, in order to provide convenience in tablet operation has been conventionally provided with a double-sided folder-type portable information device as shown in Figs. It has a double hinge 4 having two axes capable of rotating the main body 1 and the display panel 2, respectively. That is, as shown by a virtual line in FIG. 4, the display panel 2 is folded in a state where the display panel 2 is folded on the inner surface of the main body 1 (up in the figure) for storage or portability, or when only a screen such as a tablet operation is used. ) Can be poked to the back of the main body (1). Of course, as shown in a solid line in Fig. 4, the main body 1 and the display panel 2 are laid out side by side, and general keyboard operation is also possible.

However, even in such a double-sided rotation type, since the keyboard is exposed to the outside of the main body 1 superimposed under the display panel 2, it is inconvenient to be careful not to press the keyboard key when holding it by hand, and still may cause malfunction. have.

An object of the present invention is to expose only the screen on the keyboard of the main body, in order to solve the above-mentioned inconvenience and malfunction of the case when using only the screen of the clamshell portable information device connected to the main body and the display panel to be folded or unfolded. It is to provide a portable information device having a display panel that can be turned back.

1 is a perspective view showing a use state in which a display panel is opened and a keyboard can be operated as a typical typical portable information device.

Figure 2 is a side view showing the operation of opening and closing the display panel with respect to the main body of a typical typical portable information device.

3 is a perspective view illustrating a tablet operating state on a display panel screen having a touch screen installed as a conventional double-sided folder type portable information device.

Figure 4 is a side view showing an operation in which the display panel is superimposed in both directions with respect to the main body to a conventional double-sided folder type portable information device.

5 is an exploded perspective view of a main part of a main body of a portable information device having a replaceable display panel and a hinge connecting the display panel according to the present invention;

Figure 6 is a partial cutaway side view showing the opening and closing operation of the display panel by cutting the center of the hinge connecting the display panel and the main body of the portable information device having a display panel according to the present invention.

7A is a perspective view showing a state where an inner surface of a display panel is superposed on a main body of a portable information device having a replaceable display panel according to the present invention;

7B is a perspective view showing a display panel of a portable information device having a replaceable display panel according to the present invention opened and rotated in a main body;

7C is a perspective view showing a state in which the back of the display panel is overlaid on the main body of a portable information device having a replaceable display panel according to the present invention and the screen is exposed;

8 is a cross-sectional view of an essential part showing a hinge structure of a portable information device having a replaceable display panel according to another embodiment of the present invention;

9 is a side view of an essential part showing a hinge structure of a portable information device having a replaceable display panel according to another embodiment of the present invention;

Explanation of symbols on the main parts of the drawings

1 body 2 display panel

10: hinge axis 11: vertical axis

12: horizontal axis 16,16 ': horizontal axis support

17: display plate bracket 18: vertical shaft connection portion

27: screen 28: signal cable

30: horizontal hinge 34: vertical hinge

36: leaf spring

In order to achieve the above object, the present invention is to connect the main body and the display panel in a portable information device including a main body having a keyboard on which a plurality of input keys are arranged and a display panel having an output screen. A connecting support means having two axes for rotatably opening and closing with respect to the main body and supporting to rotate in the left and right directions in an open state thereof is provided so that the display panel is exposed only on the screen of the main body. To be nested in

In this case, it is preferable that the display panel be rotated 180 degrees or more to completely turn the screen orientation.

The connecting support means includes a hinge holder having a vertical axis and a horizontal axis which are perpendicular to each other, a vertical holder and a horizontal pipe part for receiving the vertical axis and the horizontal axis, respectively, and correspondingly at both ends of the horizontal pipe part of the hinge holder. A horizontal shaft support fixed to the main body and rotatably supporting both ends of the horizontal shaft of the hinge shaft accommodated at both ends of the horizontal tube, and a vertical shaft support fixed to the display panel and rotatably connected to the vertical shaft end of the hinge shaft. It may be composed of a display panel bracket.

In addition, the connection support means includes a vertical hinge integrally formed under the display panel, a vertical tube portion for rotatably fitting the vertical hinge, and a horizontal tube portion orthogonal thereto, and both ends of the horizontal tube portion are rotatable to the main body. It may be composed of a horizontal hinge supported.

As described above, the present invention connects the display panel so that the display panel can be rotated in two axes with respect to the main body so that the display panel can be stacked on the keyboard of the main body with only the screen exposed.

DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of a portable information device having a replaceable display panel according to the present invention will be described below with reference to the accompanying drawings. In the drawings referred to below for convenience of description, the same reference numerals are assigned to the same or corresponding parts as the drawings described above.

5 is an exploded perspective view of a main part of a main body of a portable information device having a replaceable display panel according to the present invention and a hinge connecting the display panel to the first embodiment of the present invention. Partial cut side view showing the opening and closing operation of the display panel by cutting the main body of the portable information device having a turnable display panel according to the present invention and a hinge connecting the display panel, and FIG. 7A is a turnable according to the present invention. 7B is a perspective view showing a state in which a display panel inner surface is stacked on a main body of a portable information device having a display panel, and a display panel of the portable information device having a turnable display panel according to the present invention is opened and rotated in a main body, and 7C shows a display plate on the body of a portable information device having a replaceable display plate according to the present invention. Turned surface is overlaid is a perspective view showing a state that the screen is exposed.

In Fig. 5, reference numeral 1 shown as a virtual line depicts a main body on which a keyboard is installed, and reference numeral 2 depicts a display panel on which a screen is installed. A connecting support means having two axes for connecting the display panel 2 to the main body 1 so as to be opened and closed in a foldable form, and supporting the display panel 2 to be rotated by 180 ° or more in the open state. Hinge holder 13 composed of a vertical axis portion 14 and a horizontal tube portion 15, which has a hinge shaft 10, its vertical axis 11 and the horizontal axis 12 in such a way that each end protrudes slightly. Both ends of the horizontal shaft 12 of the hinge shaft 10 which are fixed to the hinge holder 13 by screws (not shown) corresponding to both ends of the horizontal pipe portion 15 in the main body 1 and protrude from both ends of the horizontal pipe portion 15 are rotated. Horizontal shaft supports 16 and 16 ', which are supported to be supported, vertical shafts which are integrally fixed by screws not shown in the display panel 2 and which can be rotatably connected to the ends of the vertical shafts 11 of the hinge shafts 10. Display plate bracket 17 having support portion 18, vertical axis support portion 18 edge Projections 19 protruding from the projections, and locking jaws 21 and 21 ′ fixedly coupled to the vertical shaft ends of the hinge shafts 10 and limited to a rotation range of approximately 180 ° with respect to the projections 19 of the display panel bracket 17. Is provided with a stopper 20.

Unexplained reference numeral 22 denotes a connector for integrally connecting the vertical shaft 11 and the horizontal shaft 12 of the hinge shaft 10, and reference numerals 23 and 23 ′ are connected to both ends of the horizontal tube part 15 of the hinge holder 13. Hinge connecting portion formed integrally with the main body 1 in the form, 24 is a hinge hole for opening the lower end of the display panel (2) to rotatably receive the end of the vertical tube portion 14 of the hinge holder 13, 25 and 26 are hinge shafts Nuts and washers for fastening the vertical shaft support 18, which is connected to the vertical shaft end of the shaft, 10 without being pulled out.

That is, as shown in FIG. 6 in which the assembled state is shown, the display panel 2 is in the direction of arrow A with respect to the main body 1 together with the hinge holder 13 about the horizontal axis 12 of the hinge shaft 10. Can be opened and closed. In addition, the display panel 2 may be rotated in an arrow B direction around the vertical axis 11 of the hinge axis 10 in the open state. On the other hand, a screen 27 such as a liquid crystal display provided on the display panel 2 is connected to a system arc in the main body 2 via a signal cable 28. The signal cable 28 is, for example, a flexible flat cable, which is routed through a free space in the hinge holder 13, and is preferably so as not to be damaged by twisting the rotation of the display panel 2. The hinge holder 13 is loosely wound around the vertical axis 11 and the horizontal axis 12 of the hinge axis 10.

In the portable information apparatus according to the present invention implemented as described above, the display panel 2 can be turned so that its backside is folded while being turned relative to the main body 1 so that only the screen is exposed. This process will be described with reference to FIGS. 7A to 7C.

7A is a folded state for storage or portability without use. That is, the display panel 2 is superposed on the inner surface of the main body 1. In this state, when the display panel 2 is opened in the direction of arrow A, the screen 27 installed on the display panel 2 is exposed, and the keyboard 29 installed on the main body 1 is exposed as shown in FIG. 7B, and the keyboard operation is performed as usual. It can be used as.

In the state in which the display panel 2 is opened with respect to the main body 1, the direction of the screen 27 can be turned left and right by rotating the display panel 2 in the arrow B direction as shown in FIG. 7B. At this time, the rotation range is limited to the extent that the screen 27 can be rotated 180 degrees by the projections 19 and the stoppers 21 and 21 'of the stopper 20 shown in FIG. The signal cable 28 can be prevented from being severely twisted and damaged by its rotation. Of course, by adding a brush signal connection device instead of the signal cable 28 it is possible to rotate more than 360 °. That is, when the display panel 2 is rotated 180 ° and rotated in the opposite direction to the arrow A of FIG. 7A, only the screen 27 is exposed as shown in FIG. 7C. You can pore on top. In this state, only the screen 27 is exposed to the outside, and the keyboard installed in the main body 1 is not exposed.

Therefore, the above-described tablet operation using the exposed screen 27 is possible, and in particular, in the present invention, since the keyboard of the main body 1 is completely covered, even when using the tablet as shown in FIG. There is no fear of malfunction.

8 and 9 show the main parts of the second embodiment of the present invention.

In the second embodiment, the connecting support means having two axes includes a horizontal hinge 30 which is a modified form of the hinge holder described above, and a vertical hinge 34 integrally formed on the display panel 2. The horizontal hinge 30 is a hollow cylindrical body that is rotatably fitted to the vertical pipe portion 31 and the hinge connecting portions 23 and 23 'of the body 1, respectively, formed through the center portion of the body in an orthogonal direction. It consists of horizontal pipe parts 32 and 32 'which become both ends of the body, and has fixing grooves 33 and 33' formed concave in the vicinity of the vertical pipe part 31 in the body. The vertical hinge 34 integrally formed on the display panel 2 is a cylindrical cylinder having a lower end portion and a hollow inside thereof. The vertical hinge 34 is rotatably fitted to the vertical pipe portion 31 of the horizontal hinge 30 and protrudes from the main surface thereof to fix the groove. 33, 33 ') having fixed projections 35 and 35' formed so as to be inserted therein, the lower end of which is supported by a leaf spring 36 installed in the body of the horizontal hinge 30, and thus the projections 35 and 35 '. ') Is supported to be elastically biased upward to enter the fixing groove (33, 33'). In addition, the vertical hinge 34 has a wiring hole 37 drilled in the side portion of the lower end, which is for the wiring of the above-described signal cable.

According to the present exemplary embodiment, in the state as shown in FIG. 8, the horizontal tube portions 32 and 32 ′ of the horizontal hinges 30 inserted into the hinge connecting portions 23 and 23 ′ of the main body 1 may be rotated. have. Therefore, it can be rotated in the direction of arrow A together with the horizontal hinge 30 and can be opened in a state in which the main body 1 is folded or keyboard-operated as shown in FIG. 7A. In this case, the vertical hinge 34 of the display panel 2 is inserted into the fixing grooves 33 and 33 'so that the vertical hinges 34 of the display panel 2 do not rotate in the arrow B direction. However, when the display panel 2 is opened with respect to the main body 1, pressing the display panel 2 in the direction of the vertical hinge 34 causes the fixing projections 35 and 35 'to be horizontal as shown in FIG. Since it exits the fixing grooves 33 and 33 'of the hinge 30, it is possible to rotate in the direction of the arrow B described above.

Therefore, the display panel 2 is rotated 180 ° in the state as shown in FIG. 9, and the display panel 2 is superimposed on the main body 1 so that only the screen 27 is exposed in the state as shown in FIG. 7C.

As described above, the present invention is configured so that the display panel is rotated 180 ° on the keyboard of the main body so that only the screen is exposed, thereby preventing the keyboard key from being exposed when the tablet is operated. Even when folded to a minimum size, the device can be used without fear of malfunction, thereby providing an effect of further enhancing convenience in use.

The present invention may be applied to various folding portable computers or communication terminals of different types from those shown, and may be usefully applied to other products in which it is necessary to temporarily turn the screen.

Claims (11)

A portable information device comprising a main body having a keyboard on which a plurality of input keys are arranged and a display panel having an output screen, 2 for supporting the display panel to be rotatably connected in the vertical direction with respect to the main body so as to be superimposed on the keyboard of the main body in such a state that only the screen is exposed, and supporting the display panel rotatably in the left and right directions in the open state. A portable information device having a pivotable display panel, characterized in that a connecting support means having an axis is provided. The portable information device of claim 1, wherein the display panel can be rotated at least 180 ° in the left and right directions so as to completely turn the screen direction thereof. 2. The hinge holder according to claim 1, wherein the connecting support means comprises a hinge shaft having vertical and horizontal axes perpendicular to each other, a vertical pipe portion and a horizontal pipe portion to accommodate the vertical and horizontal axes, respectively, and the horizontal of the hinge holder. A horizontal shaft support fixedly installed in the main body corresponding to both ends of the pipe part to rotatably support both ends of the horizontal axis of the hinge shaft accommodated at both ends of the horizontal pipe part, and being fixed to the display panel and rotatably connected to the vertical axis end of the hinge axis. A portable information device having a replaceable display panel, characterized by comprising a display plate bracket having a vertical axis support portion. 3. The display panel of claim 2, wherein the display panel bracket has protrusions protruding from the edges of the vertical shaft support portions, and is coupled to the vertical shaft ends of the hinge shafts, and the locking jaws for engaging the projections to rotate the display panel in a range of 180 degrees. A portable information device having a replaceable display panel characterized by having a stopper coupled thereto. 3. The portable information device according to claim 2, wherein a hinge hole for receiving the vertical tube portion of the hinge holder is formed in the display panel. The portable information apparatus according to claim 2, wherein a signal cable connecting a system circuit in the main body and a screen provided on the display panel is wired around the hinge axis in the hinge holder. 2. The horizontal support according to claim 1, wherein the connecting support means comprises a vertical hinge integrally formed under the display panel, a vertical pipe portion for rotatably supporting the vertical hinge, and a horizontal pipe portion perpendicular to the vertical pipe portion. A portable information device having a turnable display panel, the end portion of which is provided with a horizontal hinge rotatably supported by the main body. 8. The vertical hinge of claim 7, wherein the vertical hinge has a fixing protrusion protruding from the main surface thereof, and the horizontal hinge has a fixing groove for receiving the fixing protrusion of the vertical hinge in a rotatable manner, and the vertical hinge is a horizontal hinge. Portable information device having a rotatable display panel characterized in that the vertical tube of the flow in the axial direction to be rotated after leaving the fixing projections. 10. The portable information having a display panel according to claim 8, wherein the elastic bias ski is further provided with a leaf spring retaining elasticity in a direction in which the vertical hinge is inserted into the fixing groove. device. The portable information apparatus according to claim 8, wherein the fixing grooves are formed at two locations facing each other in the 180 ° direction. 10. The wiring hole according to any one of claims 7 to 9, wherein an inside of the vertical hinge is empty and a wiring hole for wiring a signal cable for connecting the system circuit of the main body and the display panel screen to one side of the main hinge is formed. A portable information device having a replaceable display panel characterized in that it is provided.